Write true or false.
1. A bimetallic strip is based on the principle that different metals have different thermal expansions for the same rise in temperature.
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3
Answer:
A bimetallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass.
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13
Answer:
false
Explanation:
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